clicking off modal permanently shuts it

[mgenev]

Whether in the samples project or my own project, when I click off the modal, bootstrap hides it, but then Aurelia can't re-open it, In the past I've solved this issue in Ember by binding the bootstrap event to Ember's action which closes. https://github.com/mgenev/how-to-sane/blob/master/client/app/pods/components/modal-dialog/component.js#L18-L20

I tried the same in Aurelia, but for some reason I didn't get it to work yet. I'll try again when I get some time on my hands.